Scottish National Dictionary (1700–)

I. v. To be glum, to sulk (Ags.19 1954); “to look gloomy, unhappy, or discontented” (Abd., Lth. 1825 Jam.), to look gloomily or vacantly (at).
Bch. 1804 W. TarrasPoems 52: Glumpin wi' a sour disdain.Dmb. 1931 A. J. CroninHatter's Castleii. i.: What are ye glumping at there, ye dough-faced sheep? . . . That empty look of yours fair scunners me.Gsw. 1937 F. NivenStaff at Simson's viii.: There was nothing for it but that they should walk dismally out to sit in the South Side Park and glump at the flowers.